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JPWO2019168049A5 - Terminals, wireless communication methods, base stations and systems - Google Patents

Terminals, wireless communication methods, base stations and systems Download PDF

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JPWO2019168049A5
JPWO2019168049A5 JP2020503583A JP2020503583A JPWO2019168049A5 JP WO2019168049 A5 JPWO2019168049 A5 JP WO2019168049A5 JP 2020503583 A JP2020503583 A JP 2020503583A JP 2020503583 A JP2020503583 A JP 2020503583A JP WO2019168049 A5 JPWO2019168049 A5 JP WO2019168049A5
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reference signal
terminal
csi
srs
resource
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JP7301038B2 (en
JPWO2019168049A1 (en
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Description

本開示は、次世代移動通信システムにおける端末、無線通信方法、基地局及びシステムに関する。 The present disclosure relates to terminals, wireless communication methods , base stations and systems in next-generation mobile communication systems.

そこで、本開示は、ＳＲＳプリコーダを適切に決定できる端末、無線通信方法、基地局及びシステムを提供することを目的の１つとする。 Therefore, one of the purposes of the present disclosure is to provide a terminal, a wireless communication method , a base station and a system capable of appropriately determining an SRS precoder.

本開示の一態様に係る端末は、チャネル状態情報参照信号（Channel State Information-Reference Signal（ＣＳＩ－ＲＳ））のためのリソースを特定する制御部と、最後に送信された前記リソースに基づくプリコーダを用いて測定用参照信号（Sounding Reference Signal（ＳＲＳ））を送信する送信部と、を有する。 The terminal according to one aspect of the present disclosure is based on a control unit that identifies a resource for a channel state information-reference signal (CSI-RS) and the resource that was finally transmitted. It has a transmission unit that transmits a measurement reference signal (SRS) using a precoder .

Claims (6)

チャネル状態情報参照信号（Channel State Information-Reference Signal（ＣＳＩ－ＲＳ））のためのリソースを特定する制御部と、
最後に送信された前記リソースに基づくプリコーダを用いて測定用参照信号（Sounding Reference Signal（ＳＲＳ））を送信する送信部と、を有する端末。 A control unit that identifies resources for the Channel State Information-Reference Signal (CSI-RS), and
A terminal having a transmission unit that transmits a measurement reference signal (SRS) using a precoder based on the resource transmitted last. 前記リソースは、スロットｎ－ｎｒｅｆによって定義され、ここで、ｎは基準タイミングであり、ｎｒｅｆは、スロットｎ－ｎｒｅｆが有効な下りリンクスロット（valid downlink slot）に該当する、閾値以上の最小の値である請求項１に記載の端末。 The resource is defined by a slot nn ref , where n is a reference timing and n ref corresponds to a valid downlink slot in which the slot nn ref is valid. The terminal according to claim 1, which is the minimum value equal to or greater than the threshold value. 前記閾値に関する情報は、上位レイヤシグナリングを用いて当該端末に通知される請求項２に記載の端末。 The terminal according to claim 2, wherein the information regarding the threshold value is notified to the terminal using higher layer signaling. チャネル状態情報参照信号（Channel State Information-Reference Signal（ＣＳＩ－ＲＳ））のためのリソースを特定するステップと、
最後に送信された前記リソースに基づくプリコーダを用いて測定用参照信号（Sounding Reference Signal（ＳＲＳ））を送信するステップと、を有する端末の無線通信方法。 Steps to identify resources for the Channel State Information-Reference Signal (CSI-RS), and
A method of wireless communication of a terminal having a step of transmitting a reference signal for measurement (Sounding Reference Signal (SRS)) using a precoder based on the resource transmitted last. チャネル状態情報参照信号（Channel State Information-Reference Signal（ＣＳＩ－ＲＳ））を、端末に送信する送信部と、A transmitter that transmits a channel state information-reference signal (CSI-RS) to a terminal, and a transmitter.
最後に送信された前記ＣＳＩ－ＲＳのリソースに基づくプリコーダを用いて前記端末によって送信された、測定用参照信号（Sounding Reference Signal（ＳＲＳ））を受信する受信部と、を有する基地局。A base station having a receiving unit for receiving a measurement reference signal (SRS) transmitted by the terminal using a precoder based on the resource of the CSI-RS transmitted last. 端末及び基地局を含むシステムであって、A system that includes terminals and base stations
前記端末は、The terminal is
チャネル状態情報参照信号（Channel State Information-Reference Signal（ＣＳＩ－ＲＳ））のためのリソースを特定する制御部と、A control unit that identifies resources for the Channel State Information-Reference Signal (CSI-RS), and
最後に送信された前記リソースに基づくプリコーダを用いて測定用参照信号（Sounding Reference Signal（ＳＲＳ））を送信する送信部と、を有し、It has a transmitter that transmits a measurement reference signal (SRS) using a precoder based on the resource transmitted last.
前記基地局は、The base station is
前記ＣＳＩ－ＲＳを、前記端末に送信する送信部と、A transmission unit that transmits the CSI-RS to the terminal,
前記ＳＲＳを受信する受信部と、を有するシステム。A system having a receiving unit for receiving the SRS.
JP2020503583A 2018-02-27 2019-02-27 Terminal, wireless communication method, base station and system Active JP7301038B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018048579 2018-02-27
JP2018048579 2018-02-27
PCT/JP2019/007632 WO2019168049A1 (en) 2018-02-27 2019-02-27 User terminal and wireless communication method

Publications (3)

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JPWO2019168049A1 JPWO2019168049A1 (en) 2021-03-04
JPWO2019168049A5 true JPWO2019168049A5 (en) 2022-03-08
JP7301038B2 JP7301038B2 (en) 2023-06-30

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US (1) US11502799B2 (en)
EP (1) EP3761695B1 (en)
JP (1) JP7301038B2 (en)
CN (1) CN111788842B (en)
BR (1) BR112020017400A2 (en)
CA (1) CA3092229A1 (en)
ES (1) ES2960699T3 (en)
IL (1) IL276968B2 (en)
PT (1) PT3761695T (en)
WO (1) WO2019168049A1 (en)

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JP2019201403A (en) * 2019-04-17 2019-11-21 三菱電機株式会社 Radio communication device
US11785594B2 (en) * 2020-03-16 2023-10-10 Qualcomm Incorporated Multi-downlink control information message related to physical uplink shared channels
CN116567818B (en) * 2023-07-04 2023-11-17 阿里巴巴（中国）有限公司 Information sensing method, information processing method, information sensing equipment and information processing system

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US8649423B2 (en) * 2010-11-12 2014-02-11 Telefonaktiebolaget Lm Ericsson (Publ) Methods and systems for precoder selection assisted by demodulation reference signals (DM-RS)
CN106233773A (en) * 2014-04-28 2016-12-14 夏普株式会社 Base station apparatus and transmission method thereof
WO2016001970A1 (en) * 2014-06-30 2016-01-07 富士通株式会社 Wireless communication system
JP6100829B2 (en) * 2015-05-14 2017-03-22 株式会社Ｎｔｔドコモ User terminal, radio base station, and radio communication method
US10454646B2 (en) * 2015-11-14 2019-10-22 Qualcomm Incorporated Sounding reference signal transmissions in enhanced machine type communication
EP3472961A1 (en) * 2016-06-15 2019-04-24 Convida Wireless, LLC Upload control signaling for new radio
WO2018030417A1 (en) * 2016-08-10 2018-02-15 株式会社Ｎｔｔドコモ User terminal and wireless communication method
JP2018048579A (en) 2016-09-21 2018-03-29 いすゞ自動車株式会社 Variable dynamic valve device of internal combustion engine
US10771211B2 (en) * 2017-03-28 2020-09-08 Samsung Electronics Co., Ltd. Method and apparatus for channel state information (CSI) acquisition with DL and UL reference signals
CN115633374A (en) * 2017-11-24 2023-01-20 Lg 电子株式会社 Method for reporting channel state information in wireless communication system and apparatus therefor

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